APA (7th ed.) Citation

Zonderman, J., & Shader, L. (1993). Environmental diseases. Twenty-First Century Books.

Chicago Style (17th ed.) Citation

Zonderman, Jon, and Laurel Shader. Environmental Diseases. New York: Twenty-First Century Books, 1993.

MLA (9th ed.) Citation

Zonderman, Jon, and Laurel Shader. Environmental Diseases. Twenty-First Century Books, 1993.